Receive payments anonymously from anyone using zero-knowledge proofs.
ZKPay enables private transactions through a link-based system. Users can create payment links that recipients can use to claim funds without revealing their identity. The system uses zero-knowledge proofs to ensure privacy and security.
- Generate anonymous payment links
- Secure withdrawals using ZK-SNARKs
- Support for Aurora and Polygon networks
- Privacy-preserving transactions
- Double-spend protection
- Node.js
- Yarn
- Hardhat
- Clone the repository:
git clone [your-repo-url]
cd zkpay- Install dependencies and build circuits:
yarn
yarn run circuit:build
yarn run buildDeploy to Aurora Testnet:
npx hardhat run scripts/deploy.ts --network auroraDevDeploy to Polygon Mumbai:
npx hardhat run scripts/deploy.ts --network polygonMumbaiVerify contracts on Polygon Mumbai:
npx hardhat verify --network polygonMumbai [CONTRACT_ADDRESS]cd frontend
yarn
yarn devThe application will be available at http://localhost:3000
- Built with Circom 2.0.0
- Uses Poseidon hash function for efficient on-chain verification
- Implements Merkle tree for commitment storage
- Withdrawal circuit prevents double-spending
- Keep payment links private
- Clear browser history after withdrawing
- Wait for sufficient block confirmations
- Use secure communication channels for sharing links
- Aurora Testnet (auroraDev)
- Polygon Mumbai Testnet
MIT License
Copyright (c) 2024
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Contributions are welcome! Please feel free to submit a Pull Request.
This is experimental software. Use at your own risk.